EP3951288A4 - OUTDOOR UNIT AND REFRIGERATION CIRCUIT DEVICE EQUIPPED WITH IT - Google Patents

OUTDOOR UNIT AND REFRIGERATION CIRCUIT DEVICE EQUIPPED WITH IT Download PDF

Info

Publication number
EP3951288A4
EP3951288A4 EP19922100.3A EP19922100A EP3951288A4 EP 3951288 A4 EP3951288 A4 EP 3951288A4 EP 19922100 A EP19922100 A EP 19922100A EP 3951288 A4 EP3951288 A4 EP 3951288A4
Authority
EP
European Patent Office
Prior art keywords
outdoor unit
circuit device
device equipped
refrigeration circuit
refrigeration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19922100.3A
Other languages
German (de)
French (fr)
Other versions
EP3951288A1 (en
Inventor
Shintaro KOYAMA
Hiroki Sato
Yusuke Arii
Tomotaka Ishikawa
Ryo TSUKIYAMA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3951288A1 publication Critical patent/EP3951288A1/en
Publication of EP3951288A4 publication Critical patent/EP3951288A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/01—Heaters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/04—Refrigeration circuit bypassing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/05—Refrigerant levels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/19—Refrigerant outlet condenser temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/21—Refrigerant outlet evaporator temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2101—Temperatures in a bypass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21162—Temperatures of a condenser of the refrigerant at the inlet of the condenser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP19922100.3A 2019-03-26 2019-03-26 OUTDOOR UNIT AND REFRIGERATION CIRCUIT DEVICE EQUIPPED WITH IT Pending EP3951288A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/012745 WO2020194490A1 (en) 2019-03-26 2019-03-26 Outdoor unit and refrigeration cycle device equipped with same

Publications (2)

Publication Number Publication Date
EP3951288A1 EP3951288A1 (en) 2022-02-09
EP3951288A4 true EP3951288A4 (en) 2022-03-23

Family

ID=72609336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19922100.3A Pending EP3951288A4 (en) 2019-03-26 2019-03-26 OUTDOOR UNIT AND REFRIGERATION CIRCUIT DEVICE EQUIPPED WITH IT

Country Status (4)

Country Link
EP (1) EP3951288A4 (en)
JP (1) JP7154388B2 (en)
CN (1) CN113614473B (en)
WO (1) WO2020194490A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11231198B2 (en) 2019-09-05 2022-01-25 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system
US12487008B2 (en) 2022-01-14 2025-12-02 Trane International Inc. Method of commissioning an HVAC system
US12117191B2 (en) 2022-06-24 2024-10-15 Trane International Inc. Climate control system with improved leak detector
ES2946857B2 (en) * 2023-01-30 2023-10-25 Univ Valencia Politecnica Refrigerant leak detection method and sensor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005043008A (en) * 2003-07-24 2005-02-17 Denso Corp Refrigeration cycle equipment
US20070089438A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
JP2011226704A (en) * 2010-04-20 2011-11-10 Mitsubishi Electric Corp Refrigerating air conditioner, and refrigerating air conditioning system
EP3193105A2 (en) * 2016-01-13 2017-07-19 Bergstrom, Inc. Refrigeration system with superheating, subcooling and refrigerant charge level control
JP2018105532A (en) * 2016-12-26 2018-07-05 カルソニックカンセイ株式会社 Air conditioner
EP3358277A1 (en) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Refrigerant leakage spot specifying method
GB2564312A (en) * 2016-05-09 2019-01-09 Mitsubishi Electric Corp Refrigeration device
WO2019053880A1 (en) * 2017-09-15 2019-03-21 三菱電機株式会社 Refrigeration air conditioner

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
US4576011A (en) * 1982-11-01 1986-03-18 Electric Power Research Institute Air conditioning system and method of operation
JP3178178B2 (en) * 1993-08-26 2001-06-18 松下電器産業株式会社 Refrigeration cycle saturated steam temperature detection circuit
JP2006214617A (en) * 2005-02-02 2006-08-17 Matsushita Electric Ind Co Ltd Air conditioner
JP4317878B2 (en) * 2007-01-05 2009-08-19 日立アプライアンス株式会社 Air conditioner and method for judging refrigerant amount
US20090037142A1 (en) * 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
JP5674452B2 (en) 2010-12-22 2015-02-25 三菱電機株式会社 Refrigeration equipment
EP3705800A3 (en) * 2012-07-03 2020-12-23 Samsung Electronics Co., Ltd. Diagnosis control method for an air conditioner
US20150059373A1 (en) * 2013-09-05 2015-03-05 Beckett Performance Products, Llc Superheat and sub-cooling control of refrigeration system
WO2015111222A1 (en) * 2014-01-27 2015-07-30 三菱電機株式会社 Refrigeration device
KR20160099938A (en) * 2015-02-13 2016-08-23 주식회사 대유위니아 Method for detecting leak of refrigerant in refrigerator
KR101710941B1 (en) * 2015-12-18 2017-02-28 서울대학교산학협력단 Method for detecting shortage of refrigerant in heat pump system
JP6737295B2 (en) * 2017-04-05 2020-08-05 株式会社デンソー Refrigerant leak detection device, refrigeration cycle device
CN112513541B (en) * 2018-08-09 2022-04-26 三菱电机株式会社 Refrigeration cycle device
WO2020065999A1 (en) * 2018-09-28 2020-04-02 三菱電機株式会社 Outdoor unit for refrigeration cycle device, refrigeration cycle device, and air conditioning device
WO2020079771A1 (en) * 2018-10-17 2020-04-23 三菱電機株式会社 Outdoor unit and refrigeration cycle device provided with same
WO2020144738A1 (en) * 2019-01-08 2020-07-16 三菱電機株式会社 Air conditioner
CN110162013A (en) * 2019-05-29 2019-08-23 上海理工大学 A kind of breakdown of refrigeration system diagnostic method

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005043008A (en) * 2003-07-24 2005-02-17 Denso Corp Refrigeration cycle equipment
US20070089438A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
JP2011226704A (en) * 2010-04-20 2011-11-10 Mitsubishi Electric Corp Refrigerating air conditioner, and refrigerating air conditioning system
EP3358277A1 (en) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Refrigerant leakage spot specifying method
EP3193105A2 (en) * 2016-01-13 2017-07-19 Bergstrom, Inc. Refrigeration system with superheating, subcooling and refrigerant charge level control
GB2564312A (en) * 2016-05-09 2019-01-09 Mitsubishi Electric Corp Refrigeration device
JP2018105532A (en) * 2016-12-26 2018-07-05 カルソニックカンセイ株式会社 Air conditioner
WO2019053880A1 (en) * 2017-09-15 2019-03-21 三菱電機株式会社 Refrigeration air conditioner

Non-Patent Citations (1)

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Title
See also references of WO2020194490A1 *

Also Published As

Publication number Publication date
JP7154388B2 (en) 2022-10-17
WO2020194490A1 (en) 2020-10-01
JPWO2020194490A1 (en) 2021-11-11
EP3951288A1 (en) 2022-02-09
CN113614473B (en) 2022-12-20
CN113614473A (en) 2021-11-05

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